Nox Crete - Silcoseal Select - Curing Agent and Bond Breaker

How It Works

SILCOSEAL SELECT is a new generation cure and tilt-up bondbreaker. In contrast to most conventional cure and bondbreakers, SILCOSEAL SELECT does not contain any wax or hydrocarbon resins and, as a result, does not depend on a physical barrier deposited on top of the casting slab to prevent bonding. Instead, SILCOSEAL SELECT consists of a special formulation of chemically reactive organic compounds in a predominately water based solvent system which chemically react with calcium hydroxide, a byproduct of the cement hydration reaction, present in the concrete surface pores. The reaction products are amorphous gels which, in conjunction with other combined special organic compounds in SILCOSEAL SELECT, effectively seal concrete surface pores. Moisture entry or exit is restricted, allowing good retention of concrete mixing water to assist in providing proper cement hydration and concrete curing and also minimizes concrete surface cracking and crazing. Properly applied, SILCOSEAL SELECT positively prevents the bonding of tilt wall panels to casting slab floor surfaces.

Applications

• Use as a cure and bondbreaker in tilt-up, lift slab and precast concrete construction.
• Use to cure the top side of tilt wall panels to prevent the formation of shrinkage cracks.
• Use as a cure only on all types of interior, smooth troweled concrete flatwork where the use of conventional resin based curing compounds is impractical.

Advantages

• SILCOSEAL SELECT is more effective than all other previous versions of SILCOSEAL.
• Provides improved resistance to the “osmotic effect” by restricting the natural tendency for water to migrate from freshly placed panel concrete through the bondbreaker fi lm and into the less moist casting slab. Reducing the “osmotic effect” greatly improves panel concrete surface appearance resulting in a smooth, uniform surface profile, color and appearance.
• Achieves exceptional wall panel surface appearance.
• Leaves no residue or resulting staining on wall panel or casting slab floor surfaces when properly applied.
• Achieves a crisp, positive release that minimizes panel surface defects and reduces panel resurfacing/patching costs.
• Does not contain any wax or hydrocarbon resins like many conventional bondbreakers which often leave a difficult to remove residue on wall panel and casting slab surfaces. When this residue is not properly removed, it often causes floor and exterior wall panel paint and coating adhesion problems.
• Meets the moisture retention properties of ASTM C309 when applied to a steel troweled surface prepared in accordance with CEN/TS 14754.
• SILCOSEAL SELECT dries faster than all other previous versions of SILCOSEAL due to a special blend of fast drying solvents.
• Improved formulation eliminates the need for a Hazardous Material label, reducing delivery costs and increasing job site safety.
• Improved emulsion stability means SILCOSEAL SELECT stays mixed for longer than all other previous Silcoseal versions.
• Excellent resistance to washoff from normal rain showers and dew when applied directly to previously uncoated concrete surfaces.
• Dust, dirt and mud can be easily removed from casting slab floor surfaces by washing with low pressure water when SILCOSEAL SELECT is used as both the cure and bond breaker.
• Resistant to sunlight induced oxidation damage that can necessitate the reapplication of competitive bondbreakers even when panel concrete placement is delayed a few days.
• Green Engineered™ – better for health and the environment.
• Meets all current federal and state VOC requirements for tilt-up bondbreakers and curing compounds.